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<title>Step 7: Performing Backup</title>
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<h1 class="topictitle1">Step 7: Performing Backup</h1>
<div><p>Before performing backup, you need to associate the resources to be protected with a specified SLA. The system protects the resources and periodically executes backup jobs based on the SLA. You can perform a backup job immediately through manual backup.</p>
<div class="section"><h4 class="sectiontitle">Precautions</h4><ul><li>Ensure that the production storage has reserved snapshot space for backup. Reserved snapshot space = Data volume of the source LUN x Percentage of data changes in the backup period. By default, you are advised to reserve 20% of the source LUN capacity for creating snapshots.</li><li>A cloud server can be backed up only when it is in any of the following states: <strong>Running</strong>, <strong>Starting</strong>, <strong>Stopping</strong>, <strong>Stopped</strong>, <strong>Reinstalling OS</strong>, <strong>Reinstalling OS failed</strong>, <strong>Changing OS</strong>, and <strong>OS Change failed</strong>.</li><li>The default number of concurrent backup jobs on each ProtectAgent is 20. You are advised not to change the number. Otherwise, disk scanning may fail, causing backup failures.</li><li>If cloud servers or EVS disks on Huawei scale-out block storage are migrated to SAN storage, you must register SAN storage resources with the <span>OceanProtect</span> before backing up cloud servers or EVS disks. For details about the registration, see <a href="hcs_gud_0014.html#hcs_gud_0014__li89549137399">3</a> in <a href="hcs_gud_0014.html">Step 2: Registering Huawei Cloud Stack</a>.</li><li>Before the first backup, complete resource scanning so that the latest cloud server information can be displayed. For details, see "Managing an Agent Host" in the <i><cite>OceanProtect DataBackup 1.5.0-1.6.0 ProtectAgent Installation Guide</cite></i><em></em>.</li><li>For 1.6.0 and later versions, if a snapshot fails to be deleted due to a backup job exception, the system automatically deletes unnecessary snapshots when the next full backup job is performed.</li><li>During manual backup, parameters (except <span class="uicontrol"><b><span><strong>Automatic Retry</strong></span></b></span>) defined in the SLA are applied to the manual backup job.</li><li>Copies generated by manual backup are retained for the duration defined in the SLA.<p>If the protection policy selected during manual backup is not defined in the SLA, the generated backup copy will be retained permanently. If full backup is not defined in the SLA but selected during manual backup, the copies generated by the manual full backup are retained permanently.</p>
</li><li>If a replication or archive policy has been defined in the SLA, the system will perform replication or archiving once based on the SLA when you perform manual backup.</li></ul>
</div>
<div class="section"><h4 class="sectiontitle">Procedure</h4><ol><li><span>Choose <span class="uicontrol" id="hcs_gud_0019__en-us_topic_0000001839142377_uicontrol23517341412"><b><span id="hcs_gud_0019__en-us_topic_0000001839142377_text635183444114"><strong>Protection</strong></span> &gt; Cloud Platforms &gt; Huawei Cloud Stack</b></span>.</span></li><li><span>In the navigation tree on the left, select the registered Huawei Cloud Stack environment.</span></li><li><span>Select the ECSs to be protected on the <strong>Project/Resource Set</strong> or <strong>Cloud Server</strong> tab and click <span class="uicontrol"><b><span><strong>Protect</strong></span></b></span>.</span><p><ul><li>When you select a project/resource set on the <strong>Project/Resource Set</strong> tab page, the system will protect all ECSs in the project/resource set.</li><li>When you select a cloud server on the <strong>Cloud Server</strong> tab page, the system will protect the cloud server.</li></ul>
<div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul><li>If the project/resource set/ECS to be protected is not displayed, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Resource Scan</strong></span></b></span> in the left pane to update resource information.</li></ul>
</div></div>
</p></li><li><span>Determine whether to enable automatic EVS disk protection if you select <span><strong>Cloud Server</strong></span> for protection. Otherwise, skip this step.</span><p><p><span><strong>Automatic EVS Disk Protection</strong></span> is enabled by default. The system protects all EVS disks (including newly detected ones) whose <strong>Storage Type</strong> is <strong>FusionStorage</strong>, <strong>OceanStor Dorado</strong>, or <strong>OceanStor</strong> on the cloud server.</p>
<p>You can disable <span><strong>Automatic EVS Disk Protection</strong></span> and click <span><strong>Please select</strong></span> to manually select some EVS disks for backup.</p>
<div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul><li>After some EVS disks are selected for backup, the generated copies support only EVS disk-level restoration but not cloud server-level restoration.</li><li>If system disks are excluded, generated copies do not support file-level restoration.</li></ul>
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</p></li><li><span>Select an SLA.</span><p><div class="p" id="hcs_gud_0019__en-us_topic_0000001964713008_p16181740836">You can also click <span class="uicontrol" id="hcs_gud_0019__en-us_topic_0000001964713008_uicontrol169554520714"><b><span id="hcs_gud_0019__en-us_topic_0000001964713008_text179554516717"><strong>Create</strong></span></b></span> to create an SLA.<div class="note" id="hcs_gud_0019__en-us_topic_0000001964713008_note25947145710"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="hcs_gud_0019__en-us_topic_0000001964713008_p125947145711"><span id="hcs_gud_0019__en-us_topic_0000001964713008_ph1413818422327">If a WORM policy has been configured for the resources to be protected, select an SLA without a WORM policy to avoid WORM policy conflicts.</span></p>
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</p></li><li><span>Set parameters in <span class="uicontrol"><b><span><strong>Advanced</strong></span></b></span> by referring to <a href="#hcs_gud_0019__table8104151484520">Table 1</a>.</span><p>
<div class="tablenoborder"><a name="hcs_gud_0019__table8104151484520"></a><a name="table8104151484520"></a><table cellpadding="4" cellspacing="0" summary="" id="hcs_gud_0019__table8104151484520" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Advanced parameters</caption><colgroup><col style="width:20.48%"><col style="width:79.52%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="20.48%" id="mcps1.3.3.2.6.2.1.2.3.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="79.52%" id="mcps1.3.3.2.6.2.1.2.3.1.2"><p>Description</p>
</th>
</tr>
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<tbody><tr><td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span><strong>Agent Host</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.52%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><ul><li>For OceanProtect X series backup appliances, select an agent host for performing backup. If you do not select an agent host, the system randomly selects one to execute backup jobs.</li><li>For OceanProtect E1000, select an external agent host for performing backup.</li></ul>
<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><ul><li>For a version earlier than 1.5.0.SPC9: If an external agent is selected and the protection permission of the tenant's resources has been authorized to the specified data protection administrator, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Authorize Resource</strong></span></b></span> in the row where the external agent resides on the <span class="uicontrol"><b><span id="hcs_gud_0019__en-us_topic_0000001666345505_text22651956143811"><strong>Protection</strong></span> &gt; Clients</b></span> page to authorize the external agent to the data protection administrator to whom the tenant's resources are authorized. Otherwise, the backup will fail.</li><li>For 1.6.0 and later versions: Choose <strong>System</strong> &gt; <strong>Security</strong> &gt; <strong>RBAC</strong> and add an external agent to the resource set associated with the authorized user. For details, see "Modifying a Resource Set" in the <i><cite>OceanProtect DataBackup 1.5.0-1.6.0 Administrator Guide</cite></i>.</li><li>For other versions, if an external agent is selected and the protection permission of the tenant's resources has been authorized to a specified data protection administrator, check whether sharing is enabled in the row where the external agent resides on the <span class="uicontrol"><b><span id="hcs_gud_0019__en-us_topic_0000001666345505_text22651956143811_1"><strong>Protection</strong></span> &gt; Clients</b></span> page.<ul><li>If sharing is enabled, no further action is required.</li><li>If sharing is disabled, choose <span class="uicontrol"><b><span><strong>More</strong></span> &gt; <span><strong>Authorize Resource</strong></span></b></span> to authorize the external agent to the data protection administrator to whom the tenant's resources have been authorized. Otherwise, the backup will fail.</li></ul>
</li></ul>
</div></div>
</td>
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<tr><td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><div class="p"><strong id="hcs_gud_0019__vmware_gud_0028_0_b1822015259583">Auto Indexing of Backup Copies</strong><div class="note" id="hcs_gud_0019__vmware_gud_0028_0_note17447255201"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hcs_gud_0019__vmware_gud_0028_0_vmware_gud_0028_0_p168431642184919">Only 1.6.0 and later versions support this parameter.</p>
</div></div>
</div>
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<td class="cellrowborder" valign="top" width="79.52%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><div class="p">If <span><strong>Cloud Server</strong></span> is selected for protection and the disks to be backed up contain the system disk, the system automatically creates an index for the backup copy after this function is enabled. When using the copy for restoration, you can select one or more files in the copy for restoration and search for files, directories, or links in the copy.<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hcs_gud_0019__vmware_gud_0028_0_nas_s_0016_p0743109201911">Indexes occupy backup storage space. If the number of index files in the system exceeds 1 billion, perform operations by referring to "Failed to Create a Copy Index" in the <i><cite id="hcs_gud_0019__vmware_gud_0028_0_cite165034152574">OceanProtect DataBackup 1.5.0-1.6.0 Troubleshooting</cite></i>.</p>
</div></div>
</div>
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</tr>
<tr><td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span><strong>SLA Overwrite Policy</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.52%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><div class="p">When you select a project/resource set for protection, you can choose whether to overwrite existing SLAs of ECSs with the SLA of the project/resource set.<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><p>If you choose <strong>Retain existing SLAs of the cloud server</strong> when modifying an SLA associated with the project/resource set, the ECS SLAs will be replaced when the ECS SLA is the same as that of the project/resource set.</p>
</div></div>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p><span><strong>SLA Application Policy</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="79.52%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><div class="p">When you select a project/resource set for protection, you can choose the application scope of the SLA policy as follows:<ul><li>Apply the project/resource set SLA policy to all ECSs that are not associated with any SLA.</li><li>Apply the project/resource set SLA policy to newly created ECSs.<p>After the project/resource set is scanned, the newly detected ECS is associated with the same SLA as the project/resource set.</p>
</li></ul>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><p>Cloud Server Filtering</p>
</td>
<td class="cellrowborder" valign="top" width="79.52%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><div class="p">If you want to specify the ECSs to be excluded or included in the protection plan when selecting a project/resource set for protection, enable this function and perform the following operations:<ol type="a"><li>Select a filtering mode.</li><li>Enter an ECS name or keyword in the text box to filter ECSs based on the selected filtering mode.<ul><li>Use commas (,) to separate multiple names or keywords.</li><li>Exact match and fuzzy match of ECS names are supported. Fuzzy match rules include prefix match (for example, abc*), suffix match (for example, *abc), and middle match (for example, *abc*).</li></ul>
</li></ol>
</div>
</td>
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<tr><td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.3.3.2.6.2.1.2.3.1.1 "><div class="p"><strong id="hcs_gud_0019__fc_gud_0019_0_b030154420307">Secure archive</strong><div class="note" id="hcs_gud_0019__fc_gud_0019_0_note2052965314120"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hcs_gud_0019__fc_gud_0019_0_en-us_topic_0000001792344090_p1816719214566">Only 1.6.0 and later versions support this function.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="79.52%" headers="mcps1.3.3.2.6.2.1.2.3.1.2 "><div class="p">This parameter is displayed when the selected SLA contains archive policies. If this option is selected, only backup copies that are detected to be uninfected during ransomware detection are archived.<div class="note" id="hcs_gud_0019__fc_gud_0019_0_note1550211211513"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="hcs_gud_0019__fc_gud_0019_0_p10502162125111">You need to click <strong id="hcs_gud_0019__fc_gud_0019_0_b810018188319">Configure</strong> to set the ransomware protection policy for the resource to be protected if the following conditions are met: <strong id="hcs_gud_0019__fc_gud_0019_0_b17329127414">Archive Time</strong> is not set to <strong id="hcs_gud_0019__fc_gud_0019_0_b938619243">Immediately after successful backup</strong> or <strong id="hcs_gud_0019__fc_gud_0019_0_b84761821247">Archive Policy</strong> is not set to <strong id="hcs_gud_0019__fc_gud_0019_0_b0492172712416">Only the latest copy</strong> in the SLA archive policy, and the ransomware protection policy is not set. For details, see "Creating a Ransomware Protection and WORM Policy" in the <i><cite id="hcs_gud_0019__fc_gud_0019_0_cite15733201398">OceanProtect DataBackup 1.5.0-1.6.0 Data Backup Feature Guide (Ransomware Protection for Copies)</cite></i>.</p>
</div></div>
</div>
</td>
</tr>
</tbody>
</table>
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</p></li><li><span>Click <span class="uicontrol" id="hcs_gud_0019__en-us_topic_0000001964713008_uicontrol23691650677"><b>OK</b></span>.</span><p><p id="hcs_gud_0019__en-us_topic_0000001964713008_en-us_topic_0000001656691397_p25041111535">If the current system time is later than the start time of the first backup specified in the SLA, you can select <strong id="hcs_gud_0019__en-us_topic_0000001964713008_b9624185216713">Execute manual backup now</strong> in the dialog box that is displayed or choose to perform automatic backup periodically based on the backup policy set in the SLA.</p>
</p></li><li><strong>Optional: </strong><span>Perform manual backup.</span><p><div class="p" id="hcs_gud_0019__en-us_topic_0000001964713008_p11899115114511">If you want to execute a backup job immediately, perform manual backup through the following operations. Otherwise, skip this step.<ol type="a" id="hcs_gud_0019__en-us_topic_0000001964713008_ol1888313571212"><li id="hcs_gud_0019__en-us_topic_0000001964713008_li6449836144510">In the row of the target resource, choose <strong id="hcs_gud_0019__en-us_topic_0000001964713008_b146814226353">More</strong> &gt; <span id="hcs_gud_0019__en-us_topic_0000001964713008_text18439122416533"><strong>Manual Backup</strong></span>.<div class="note" id="hcs_gud_0019__en-us_topic_0000001964713008_note1527151103"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="hcs_gud_0019__en-us_topic_0000001964713008_en-us_topic_0000001607531736_p870125314544">You can select multiple resources to perform manual backup in batches. Select multiple protected resources and choose <strong id="hcs_gud_0019__en-us_topic_0000001964713008_b1657653183519">More</strong> &gt; <span id="hcs_gud_0019__en-us_topic_0000001964713008_text122852865419"><strong>Manual Backup</strong></span> in the upper left corner of the resource list.</p>
</div></div>
</li><li id="hcs_gud_0019__en-us_topic_0000001964713008_li5644125184512">Set the name of the copy generated during manual backup.<p id="hcs_gud_0019__en-us_topic_0000001964713008_p444210492470"><a name="hcs_gud_0019__en-us_topic_0000001964713008_li5644125184512"></a><a name="en-us_topic_0000001964713008_li5644125184512"></a>If this parameter is left unspecified, the system sets the copy name to <strong id="hcs_gud_0019__en-us_topic_0000001964713008_b17709174711816">backup_</strong><em id="hcs_gud_0019__en-us_topic_0000001964713008_i1371044717814">Timestamp</em> by default.</p>
</li><li id="hcs_gud_0019__en-us_topic_0000001964713008_li9911344144518">Select a protection policy, which can be <span id="hcs_gud_0019__en-us_topic_0000001964713008_text1037414518818"><strong>Full backup</strong></span> or <span id="hcs_gud_0019__en-us_topic_0000001964713008_text937414517813"><strong>Forever Incremental (Synthetic Full) Backup</strong></span>.<div class="note" id="hcs_gud_0019__en-us_topic_0000001964713008_note1552298154910"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="hcs_gud_0019__en-us_topic_0000001964713008_p13522118194919"><span id="hcs_gud_0019__en-us_topic_0000001964713008_ph19374310343">For 1.6.0 and later versions, if the selected protection policy is different from that configured in the associated SLA, the WORM configuration does not take effect.</span></p>
</div></div>
</li><li id="hcs_gud_0019__en-us_topic_0000001964713008_li2637101024612">Click <span class="uicontrol" id="hcs_gud_0019__en-us_topic_0000001964713008_uicontrol1662615410817"><b><span id="hcs_gud_0019__en-us_topic_0000001964713008_text13625854687"><strong>OK</strong></span></b></span>.</li></ol>
</div>
</p></li></ol>
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</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="hcs_gud_0011.html">Backing Up a Cloud Server or EVS Disk</a></div>
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